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1.51ct H IF Round Natural Diamond

EX • H/IF • IGI 838661147

Shape and cutting style on the report: Round brilliant

Certificate IGI 838661147

Diamond specifications and retailer prices

From €6,077 EUR
As of November 1, 2026
Save €4,189 EUR (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €10,266 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 838661147. Listed at 5 retailers as of November 1, 2026, with prices from €6,077 to €10,266, a €4,189 spread on the same certified stone. MOH London lists it at €10,266. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 838661147
Dimensions7.43 × 7.37 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.43 mm7.37 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 838661147
Side View
Table 61.0%Crown 33.2°Girdle: THN-MEDPavilion 41.7°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €10,266 EUR|Low: €6,077 EUR|High: €10,349 EUR|Avg: €7,457 EUR|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 4€6,077 EUR
Retailer 5€6,375 EUR
Retailer 2€6,948 EUR
Retailer 3€8,008 EUR
MOH London€10,266 EUR

20 data points across 5 retailers

5 retailers€6,077 EUR to €10,266 EUR

A
Cheapest Retailer
-
€6,077 EUR
A
Retailer 2
-
€6,375 EUR
View
A
Retailer 3
-
€6,948 EUR
View
B+
Retailer 4
-
€8,008 EUR
View
Most Expensive
B
MOH London
C36EE3914 · Nov 4
€10,266 EUR
£9,025 GBP
View
4 more retailers have this diamond
Prices start from €6,077 EURSave up to €4,189 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Round
€6,077 EUR